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GB 3390.2-1989 手动套筒扳手传动方榫和方孔

GB 3390.2-1989.Driving square for hand operated socket wrenches.1主题内容与适用范围GB 339...

GB 3390.3-1989.Drivings parts for hand opernted square drive socket w renches.GB...

GB 3390.4-1989.Conjoining parts for hand operated square drive socket wrenc hes....

GB 3390.5-1989.Inspection, packaging and marking for hand operated socket w re n...

GB 4389-1984.A ssembly tools for screws and nuts-open-end double-head engineers...

GB 4390-1984.Spanner gaps and sockets- m etric series- tolerances for general us...

GB 4391-1984.Com binations of double-end wrenches gaps.GB 4391参照采用国际标准ISO 1085-...

GB 4392-1984.Slugging open- end W renches and slugging box w renches.1适用范围GB 439...

GB 4393-1984.Open-end w renches, box wrenches and combination wrenches-technical...

GB 4394-1984.Inspection, markdg and packaging for open- end wrenches, ring wrenc...

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